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<div class="title">RemoteControl.cpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#include &quot;RemoteControl.h&quot;</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#include &quot;NoCommand.h&quot;</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div>
<div class="line"><a name="l00004"></a><span class="lineno"><a class="code" href="class_remote_control.html#ab044b23a3d09877df6d905949881da4a">    4</a></span>&#160;<a class="code" href="class_remote_control.html#ab044b23a3d09877df6d905949881da4a" title="CTor of class RemoteControl.">RemoteControl::RemoteControl</a>(){</div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;   <span class="comment">//set the number of slots to a fixed value</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;   mNrOfSlots = 6;</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;   <span class="comment">//at construction, last command is zero</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;   mLastcmd = 0;</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;   <span class="comment">//resize the vector to 6 elements</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;   mSlots.resize(mNrOfSlots);</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;   <span class="comment">//assign all slots to NoCommand, the device is</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;   <span class="comment">//called &quot;empty&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;   <a class="code" href="class_i_command.html" title="Header for the ICommand interfaceclass.">ICommand</a> * emptycmd = <span class="keyword">new</span> <a class="code" href="class_no_command.html" title="Header for the ICommand interfaceclass.">NoCommand</a>();</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;   <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 1; i &lt; mNrOfSlots; ++i){</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;      <a class="code" href="class_remote_control.html#a215c1c39d975a140fad40eda0b2b6301" title="Program a slot of the remote control.">ProgramSlot</a>(i, emptycmd, emptycmd, <span class="stringliteral">&quot;empty&quot;</span>);</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;   }</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;}</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="code" href="class_remote_control.html#a597aacc1c1877558971d2c2543639b65">   19</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_remote_control.html#a597aacc1c1877558971d2c2543639b65" title="Function to execute the on command of a slot.">RemoteControl::OnButtonPressed</a>(<span class="keywordtype">size_t</span> slotNr){</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;   <span class="comment">//internally the slotnumbers reach from 0 to 5;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;   slotNr--;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;   <span class="comment">//check for a valid slot number</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;   <span class="comment">//if committed slot number is 0 -&gt; underflow because of</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;   <span class="comment">//size_t, this number will be out of range</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;   <span class="keywordflow">if</span> (slotNr &gt; mNrOfSlots - 1){</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;      <span class="keywordflow">throw</span> std::exception(<span class="stringliteral">&quot;Slot number out of range&quot;</span>);</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;   }</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;   <span class="comment">//save the last command for undo operation</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;   mLastcmd = mSlots[slotNr].onCmd; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;   <span class="comment">//execute on command from device at slot nr</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;   mSlots[slotNr].onCmd-&gt;Execute();</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;}</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="class_remote_control.html#a296a8af782828f843ececaa87818a640">   34</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_remote_control.html#a296a8af782828f843ececaa87818a640" title="Function to execute the off command of a slot.">RemoteControl::OffButtonPressed</a>(<span class="keywordtype">size_t</span> slotNr){</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;   <span class="comment">//internally the slotnumbers reach from 0 to 5;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;   slotNr--;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;   <span class="comment">//check for a valid slot number</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;   <span class="keywordflow">if</span> (slotNr &gt; mNrOfSlots - 1){</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;      <span class="keywordflow">throw</span> std::exception(<span class="stringliteral">&quot;Slot number out of range&quot;</span>);</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;   }</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;   <span class="comment">//save the last command for undo operation</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;   mLastcmd = mSlots[slotNr].offCmd; </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;   <span class="comment">//execute off command from device at slot nr</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;   mSlots[slotNr].offCmd-&gt;Execute();</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;}</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="class_remote_control.html#a1500060c997a241ec2eead37b625b3de">   47</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_remote_control.html#a1500060c997a241ec2eead37b625b3de" title="Undo the last executed command.">RemoteControl::UndoButtonPressed</a>(){</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;   <span class="comment">//if a last command is available, undo it</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;   <span class="keywordflow">if</span> (mLastcmd != 0){</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;      mLastcmd-&gt;<a class="code" href="class_i_command.html#ad97315c668e8e9912e45386a0d3a0cb7" title="Undos the last action.">Undo</a>();</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;   }</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;}</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="code" href="class_remote_control.html#a215c1c39d975a140fad40eda0b2b6301">   54</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_remote_control.html#a215c1c39d975a140fad40eda0b2b6301" title="Program a slot of the remote control.">RemoteControl::ProgramSlot</a>(<span class="keywordtype">size_t</span> slotNr, <a class="code" href="class_i_command.html" title="Header for the ICommand interfaceclass.">ICommand</a>* onCmd, <a class="code" href="class_i_command.html" title="Header for the ICommand interfaceclass.">ICommand</a>* offCmd, std::string <span class="keyword">const</span> devname){</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;   <span class="comment">//internally the slotnumbers reach from 0 to 5;</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;   slotNr--;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;   <span class="comment">//check for invalid slot number</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;   <span class="keywordflow">if</span> (slotNr &gt; mNrOfSlots - 1){</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;      <span class="keywordflow">throw</span> std::exception(<span class="stringliteral">&quot;Slot number out of range&quot;</span>);</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;   }</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;   <span class="comment">//check for invalud pointers</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (onCmd == 0 || offCmd == 0){</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;      <span class="keywordflow">throw</span> std::exception(<span class="stringliteral">&quot;Invalid pointer of type ICommand&quot;</span>);</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;   }</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;   <span class="comment">//assign commands and device name to slot</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;   mSlots[slotNr].onCmd = onCmd;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;   mSlots[slotNr].offCmd = offCmd;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;   mSlots[slotNr].deviceName = devname;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;}</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="class_remote_control.html#a44913ef89c611945305dadb6654c3cc8">   71</a></span>&#160;<span class="keywordtype">size_t</span> <span class="keyword">const</span> <a class="code" href="class_remote_control.html#a44913ef89c611945305dadb6654c3cc8" title="Function to return the number of slots.">RemoteControl::GetNrOfSlots</a>()<span class="keyword"> const</span>{</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;   <span class="keywordflow">return</span> mNrOfSlots;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;}</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="code" href="class_remote_control.html#a2458bb7cbe0a6cf7273424db89fb4508">   75</a></span>&#160;std::string <span class="keyword">const</span> <a class="code" href="class_remote_control.html#a2458bb7cbe0a6cf7273424db89fb4508" title="Function to return the name of a programmed device.">RemoteControl::GetDeviceName</a>(<span class="keywordtype">size_t</span> slotNr)<span class="keyword"> const</span>{</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;   <span class="comment">//internally the slotnumbers reach from 0 to 5;</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;   slotNr--;</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;   <span class="comment">//check for a valid slot number</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;   <span class="keywordflow">if</span> (slotNr &gt; mNrOfSlots - 1){</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;      <span class="keywordflow">throw</span> std::exception(<span class="stringliteral">&quot;Slot number out of range&quot;</span>);</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;   }</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;   <span class="keywordflow">return</span> mSlots[slotNr].deviceName;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;}</div>
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